Home / 9,780.06-14,664.78-3,451.77

Finding the Fourth Proportional to 9,780.06, 14,664.78 and 3,451.77

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Solution

The fourth proportional to 9,780.06, 14,664.78 and 3,451.77 is: 5,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.06 : 14,664.78 = 3,451.77 : x
  2. Step 2: Convert to fraction form
    9,780.06/14,664.78 = 3,451.77/x
  3. Step 3: Cross multiply
    9,780.06x = 14,664.78 × 3,451.77
  4. Step 4: Simplify right side
    9,780.06x = 50,619,447.66
  5. Step 5: Solve for x
    x = 50,619,447.66/9,780.06
  6. Step 6: Final answer
    x = 5,175.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.